D defs.my
Entry 1 sense Webster, 1913

Obduracy

· Ob·du·ra·cy · IPA /ˈɑbdʊɹəsi/
01 n. The duality or state of being obdurate; invincible hardness of heart; obstinacy.
  1. 1.
    The duality or state of being obdurate; invincible hardness of heart; obstinacy.
    “The absolute completion of sin in final obduracy.” South.